/* -------------------------------------------------------------
   Sandro Refrigeração - Stylesheet Principal Institucional
   Design Premium: Alternância entre Seções Claras e Escuras com Azul Sólido
------------------------------------------------------------- */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root {
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --bg-ice: #f0f9ff;
    --bg-dark: #0f172a;
    --bg-dark-card: #1e293b;
    
    --primary: #0084ff;
    --primary-light: #38bdf8;
    --primary-dark: #0056b3;
    
    --text-main: #0f172a;
    --text-muted: #64748b;
    --text-light: #f8fafc;
    --text-light-muted: #94a3b8;
    
    --border-light: #e2e8f0;
    --border-dark: rgba(255, 255, 255, 0.1);
    
    --whatsapp-color: #25d366;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-light);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography & Utilities */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

.text-highlight {
    color: #38bdf8;
}

.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: #0084ff;
    color: #ffffff;
    font-weight: 700;
    box-shadow: 0 4px 20px rgba(0, 132, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    background: #0066cc;
    color: #ffffff;
}

.btn-whatsapp {
    background: #25d366;
    color: #ffffff;
    font-weight: 700;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
    transform: translateY(-2px);
    background: #1eb956;
    color: #ffffff;
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: #ffffff;
}

.btn-outline-dark {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.btn-outline-dark:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--primary-light);
    color: var(--primary-light);
}

/* Top Emergency Bar (Solid Dark Navy) */
.top-bar {
    background: #0b1329;
    color: var(--text-light-muted);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding: 10px 0;
    font-size: 0.875rem;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.top-info {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.top-info a, .top-info span {
    color: #cbd5e1;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

.top-info a:hover {
    color: var(--primary-light);
}

.badge-24h {
    background: rgba(239, 68, 68, 0.2);
    color: #f87171;
    padding: 3px 10px;
    border-radius: 20px;
    font-weight: 700;
    border: 1px solid rgba(239, 68, 68, 0.4);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
}

/* Header & Nav (Clean White) */
header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-light);
    padding: 12px 0;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo img {
    height: 52px;
    width: auto;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 36px;
    list-style: none;
}

.nav-link {
    color: #334155;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.98rem;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--primary);
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: #0f172a;
    font-size: 1.6rem;
    cursor: pointer;
}

/* Hero Section (AZUL SÓLIDO SEM DEGRADÊ) */
.hero {
    position: relative;
    padding: 90px 0 110px;
    background: #0f172a; /* Azul sólido sem degradê */
    color: #ffffff;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: 30px;
    background: rgba(56, 189, 248, 0.12);
    border: 1px solid rgba(56, 189, 248, 0.3);
    color: #38bdf8;
    font-size: 0.875rem;
    font-weight: 600;
    width: fit-content;
}

.hero-title {
    font-size: 3.2rem;
    letter-spacing: -1px;
    color: #ffffff;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: #94a3b8;
}

.hero-features-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 8px 0;
}

.hero-feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    color: #e2e8f0;
}

.hero-feature-item i {
    color: #38bdf8;
    font-size: 1.1rem;
}

.hero-ctas {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-media {
    position: relative;
}

.hero-card-img {
    width: 100%;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
    object-fit: cover;
    max-height: 480px;
}

.floating-stat-card {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background: #1e293b;
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 16px 24px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.floating-stat-card i {
    font-size: 2rem;
    color: #38bdf8;
}

/* Stats Bar (Clean White) */
.stats-bar {
    background: #ffffff;
    border-bottom: 1px solid var(--border-light);
    padding: 40px 0;
    box-shadow: var(--shadow-sm);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--primary);
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 600;
    margin-top: 4px;
}

/* Section Header General */
.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 60px;
}

.section-tag {
    color: var(--primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.85rem;
    margin-bottom: 12px;
    display: block;
}

.section-title {
    font-size: 2.5rem;
    color: #0f172a;
    margin-bottom: 16px;
}

.section-desc {
    color: var(--text-muted);
    font-size: 1.05rem;
}

/* Services Section (Clean White) */
.services-section {
    padding: 100px 0;
    background: #ffffff;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: #ffffff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.service-img-wrapper {
    position: relative;
    height: 210px;
    overflow: hidden;
}

.service-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.service-card:hover .service-img-wrapper img {
    transform: scale(1.08);
}

.service-tag-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: #0f172a;
    color: #38bdf8;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 20px;
}

.service-content {
    padding: 28px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.service-icon-box {
    width: 52px;
    height: 52px;
    background: #eff6ff;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.service-title {
    font-size: 1.35rem;
    color: #0f172a;
    margin-bottom: 12px;
}

.service-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 20px;
    flex-grow: 1;
}

.service-features {
    list-style: none;
    margin-bottom: 24px;
}

.service-features li {
    font-size: 0.875rem;
    color: #475569;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.service-features li i {
    color: var(--primary);
}

.service-card .btn {
    width: 100%;
}

/* Differentials Section (Ice Blue) */
.differentials-section {
    padding: 100px 0;
    background: var(--bg-ice);
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}

.diff-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.diff-card {
    background: #ffffff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.diff-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.diff-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: #e0f2fe;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.8rem;
}

.diff-title {
    font-size: 1.15rem;
    color: #0f172a;
    margin-bottom: 10px;
}

.diff-desc {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Quote Calculator Section (Dark Navy Sólido) */
.quote-section {
    padding: 100px 0;
    background: #ffffff;
}

.quote-box {
    background: #0f172a; /* Azul sólido sem degradê */
    border-radius: var(--radius-lg);
    padding: 60px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    color: #ffffff;
}

.quote-info h2 {
    font-size: 2.4rem;
    color: #ffffff;
    margin-bottom: 16px;
}

.quote-info p {
    color: #94a3b8;
    font-size: 1.05rem;
    margin-bottom: 30px;
}

.quote-benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 20px;
}

.quote-benefit-item i {
    font-size: 1.5rem;
    color: #38bdf8;
    margin-top: 2px;
}

.quote-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 600;
    color: #e2e8f0;
}

.form-control {
    width: 100%;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-sm);
    color: #ffffff;
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition);
}

.form-control:focus {
    border-color: #38bdf8;
    background: rgba(255, 255, 255, 0.12);
    box-shadow: 0 0 15px rgba(56, 189, 248, 0.2);
}

select.form-control option {
    background: #0f172a;
    color: #ffffff;
}

/* FAQ Section (Clean White) */
.faq-section {
    padding: 80px 0 120px;
    background: #ffffff;
    border-top: 1px solid var(--border-light);
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: #ffffff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.faq-question {
    padding: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.1rem;
    color: #0f172a;
    user-select: none;
}

.faq-question i {
    color: var(--primary);
    transition: transform 0.3s ease;
}

.faq-answer {
    padding: 0 24px 24px;
    color: var(--text-muted);
    font-size: 0.95rem;
    display: none;
}

.faq-item.active {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-item.active .faq-answer {
    display: block;
}

/* Footer (Dark Navy Sólido) */
footer {
    background: #0b1329;
    color: var(--text-light-muted);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-col h4 {
    font-size: 1.1rem;
    color: #ffffff;
    margin-bottom: 24px;
    position: relative;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 30px;
    height: 2px;
    background: #38bdf8;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: #38bdf8;
    padding-left: 4px;
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    color: #94a3b8;
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.footer-contact-item a {
    color: #94a3b8;
    text-decoration: none;
    transition: var(--transition);
}

.footer-contact-item a:hover {
    color: #38bdf8;
}

.footer-contact-item i {
    color: #38bdf8;
    margin-top: 4px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    color: #94a3b8;
}

.wm-credits a {
    color: #38bdf8;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.wm-credits a:hover {
    color: #ffffff;
    text-decoration: underline;
}

/* Floating WhatsApp Widget */
.floating-whatsapp {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25d366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
    z-index: 9999;
    text-decoration: none;
    transition: var(--transition);
}

.floating-whatsapp:hover {
    transform: scale(1.1);
    box-shadow: 0 15px 35px rgba(37, 211, 102, 0.6);
}

/* Responsive Rules */
@media (max-width: 1024px) {
    .hero-grid, .quote-box {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .diff-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.2rem;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 24px;
        border-bottom: 1px solid var(--border-light);
        box-shadow: var(--shadow-md);
    }

    .nav-menu.active {
        display: flex;
    }

    .mobile-toggle {
        display: block;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .services-grid, .diff-grid {
        grid-template-columns: 1fr;
    }

    .quote-box {
        padding: 30px 20px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}